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lf awid - now uses cliparser, continuous mode, EM (untested)

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This commit is contained in:
iceman1001
2020-11-30 04:06:48 +01:00
parent e5be7f6eed
commit 681975d937
3 changed files with 212 additions and 200 deletions
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client/src/cmdlfawid.c
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@@ -10,97 +10,28 @@
// Low frequency AWID26/50 commands
// FSK2a, RF/50, 96 bits (complete)
//-----------------------------------------------------------------------------
#include "cmdlfawid.h" // AWID function declarations
#include "cmdlfawid.h" // AWID function declarations
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "commonutil.h" // ARRAYLEN
#include "commonutil.h" // ARRAYLEN
#include "cmdparser.h" // command_t
#include "comms.h"
#include "graph.h"
#include "cmddata.h"
#include "ui.h" // PrintAndLog
#include "lfdemod.h" // parityTest
#include "cmdlf.h" // lf read
#include "protocols.h" // for T55xx config register definitions
#include "ui.h" // PrintAndLog
#include "lfdemod.h" // parityTest
#include "cmdlf.h" // lf read
#include "protocols.h" // for T55xx config register definitions
#include "util_posix.h"
#include "cmdlft55xx.h" // verifywrite
#include "cmdlft55xx.h" // verifywrite
#include "cliparser.h"
#include "cmdlfem4x05.h" // EM defines
static int CmdHelp(const char *Cmd);
static int usage_lf_awid_watch(void) {
PrintAndLogEx(NORMAL, "Enables AWID compatible reader mode printing details of scanned AWID26 or AWID50 tags.");
PrintAndLogEx(NORMAL, "By default, values are printed and logged until the button is pressed or another USB command is issued.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf awid watch");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid watch"));
return PM3_SUCCESS;
}
static int usage_lf_awid_sim(void) {
PrintAndLogEx(NORMAL, "Enables simulation of AWID card with specified facility-code and card number.");
PrintAndLogEx(NORMAL, "Simulation runs until the button is pressed or another USB command is issued.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf awid sim [h] <format> <facility-code> <card-number>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h : This help");
PrintAndLogEx(NORMAL, " <format> : format length 26|34|37|50");
PrintAndLogEx(NORMAL, " <facility-code> : 8|16bit value facility code");
PrintAndLogEx(NORMAL, " <card number> : 16|32-bit value card number");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid sim 26 224 1337"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid sim 50 2001 13371337"));
return PM3_SUCCESS;
}
static int usage_lf_awid_clone(void) {
PrintAndLogEx(NORMAL, "Enables cloning of AWID card with specified facility-code and card number onto T55x7 or Q5/T5555.");
PrintAndLogEx(NORMAL, "The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf awid clone [h] <format> <facility-code> <card-number> [Q5]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h : This help");
PrintAndLogEx(NORMAL, " <format> : format length 26|34|37|50");
PrintAndLogEx(NORMAL, " <facility-code> : 8|16bit value facility code");
PrintAndLogEx(NORMAL, " <card number> : 16|32-bit value card number");
PrintAndLogEx(NORMAL, " Q5 : optional - specify writing to Q5/T5555 tag");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid clone 26 224 1337"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid clone 50 2001 13371337"));
return PM3_SUCCESS;
}
static int usage_lf_awid_brute(void) {
PrintAndLogEx(NORMAL, "Enables bruteforce of AWID reader with specified facility-code.");
PrintAndLogEx(NORMAL, "This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step");
PrintAndLogEx(NORMAL, "if cardnumber is not given, it starts with 1 and goes up to 65535");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf awid brute [h] [v] a <format> f <facility-code> c <cardnumber> d <delay>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h : This help");
PrintAndLogEx(NORMAL, " a <format> : format length 26|50");
PrintAndLogEx(NORMAL, " f <facility-code> : 8|16bit value facility code");
PrintAndLogEx(NORMAL, " c <cardnumber> : (optional) cardnumber to start with, max 65535");
PrintAndLogEx(NORMAL, " d <delay> : delay betweens attempts in ms. Default 1000ms");
PrintAndLogEx(NORMAL, " v : verbose logging, show all tries");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid brute a 26 f 224"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid brute a 50 f 2001 d 2000"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf awid brute v a 50 f 2001 c 200 d 2000"));
return PM3_SUCCESS;
}
static int sendPing(void) {
SendCommandNG(CMD_PING, NULL, 0);
SendCommandNG(CMD_PING, NULL, 0);
SendCommandNG(CMD_BREAK_LOOP, NULL, 0);
SendCommandNG(CMD_PING, NULL, 0);
clearCommandBuffer();
PacketResponseNG resp;
@@ -112,7 +43,7 @@ static int sendPing(void) {
static int sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bits, size_t bs_len, bool verbose) {
if (verbose)
PrintAndLogEx(INFO, "Trying FC: %u; CN: %u", fc, cn);
PrintAndLogEx(INFO, "Trying FC: " _YELLOW_("%u") " CN: " _YELLOW_("%u"), fc, cn);
if (getAWIDBits(fmtlen, fc, cn, bits) != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Error with tag bitstream generation.");
@@ -180,8 +111,19 @@ static void verify_values(uint8_t *fmtlen, uint32_t *fc, uint32_t *cn) {
// this read loops on device side.
// uses the demod in lfops.c
static int CmdAWIDWatch(const char *Cmd) {
uint8_t c = tolower(param_getchar(Cmd, 0));
if (c == 'h') return usage_lf_awid_watch();
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf awid watch",
"Enables AWID compatible reader mode printing details of scanned AWID26 or AWID50 tags.\n"
"Run until the button is pressed or another USB command is issued.",
"lf awid watch"
);
void *argtable[] = {
arg_param_begin,
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
CLIParserFree(ctx);
PrintAndLogEx(SUCCESS, "Watching for AWID cards - place tag on antenna");
PrintAndLogEx(INFO, "Press pm3-button to stop reading cards");
@@ -339,31 +281,152 @@ int demodAWID(bool verbose) {
}
static int CmdAWIDDemod(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf awid demod",
"Try to find AWID Prox preamble, if found decode / descramble data",
"lf awid demod"
);
void *argtable[] = {
arg_param_begin,
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
CLIParserFree(ctx);
return demodAWID(true);
}
// this read is the "normal" read, which download lf signal and tries to demod here.
static int CmdAWIDRead(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
lf_read(false, 12000);
return demodAWID(true);
static int CmdAWIDReader(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf awid reader",
"read a AWID Prox tag",
"lf awid reader -@ -> continuous reader mode"
);
void *argtable[] = {
arg_param_begin,
arg_lit0("@", NULL, "optional - continuous reader mode"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
bool cm = arg_get_lit(ctx, 1);
CLIParserFree(ctx);
do {
lf_read(false, 12000);
demodAWID(!cm);
} while (cm && !kbd_enter_pressed());
return PM3_SUCCESS;
}
static int CmdAWIDClone(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf awid clone",
"clone a AWID Prox tag to a T55x7, Q5/T5555 or EM4305/4469 tag",
"lf awid clone --fmt 26 --fc 123 --cn 1337\n"
"lf awid clone --fmt 50 --fc 2001 --cn 13371337\n"
"lf awid clone --q5 --fmt 26 --fc 123 --cn 1337 -> encode for Q5/T5555 tag\n"
"lf awid clone --em --fmt 26 --fc 123 --cn 1337 -> encode for EM4305/4469"
);
void *argtable[] = {
arg_param_begin,
arg_u64_1(NULL, "fmt", "<dec>", "format length 26|34|37|50"),
arg_u64_1(NULL, "fc", "<dec>", "8|16bit value facility code"),
arg_u64_1(NULL, "cn", "<dec>", "16|32-bit value card number"),
arg_lit0(NULL, "q5", "optional - specify writing to Q5/T5555 tag"),
arg_lit0(NULL, "em", "optional - specify writing to EM4305/4469 tag"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
uint8_t fmtlen = arg_get_u32_def(ctx, 1, 0);
uint32_t fc = arg_get_u32_def(ctx, 2, 0);
uint32_t cn = arg_get_u32_def(ctx, 3, 0);
bool q5 = arg_get_lit(ctx, 4);
bool em = arg_get_lit(ctx, 5);
CLIParserFree(ctx);
if (q5 && em) {
PrintAndLogEx(FAILED, "Can't specify both Q5 and EM4305 at the same time");
return PM3_EINVARG;
}
uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3 << T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
char cardtype[16] = {"T55x7"};
// Q5
if (q5) {
//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
blocks[0] = T5555_FIXED | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | T5555_SET_BITRATE(50) | 3 << T5555_MAXBLOCK_SHIFT;
snprintf(cardtype, sizeof(cardtype), "Q5/T5555");
}
// EM4305
if (em) {
blocks[0] = EM4305_AWID_CONFIG_BLOCK;
snprintf(cardtype, sizeof(cardtype), "EM4305/4469");
}
verify_values(&fmtlen, &fc, &cn);
uint8_t *bits = calloc(96, sizeof(uint8_t));
if (getAWIDBits(fmtlen, fc, cn, bits) != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Error with tag bitstream generation.");
free(bits);
return PM3_ESOFT;
}
blocks[1] = bytebits_to_byte(bits, 32);
blocks[2] = bytebits_to_byte(bits + 32, 32);
blocks[3] = bytebits_to_byte(bits + 64, 32);
free(bits);
PrintAndLogEx(INFO, "Preparing to clone AWID %u to " _YELLOW_("%s") " with FC: " _GREEN_("%u") " CN: " _GREEN_("%u"), fmtlen, cardtype, fc, cn);
print_blocks(blocks, ARRAYLEN(blocks));
int res;
if (em) {
res = em4x05_clone_tag(blocks, ARRAYLEN(blocks), 0, false);
} else {
res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
}
PrintAndLogEx(SUCCESS, "Done");
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf awid reader`") " to verify");
return res;
}
static int CmdAWIDSim(const char *Cmd) {
uint32_t fc = 0, cn = 0;
uint8_t fmtlen = 0;
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf awid sim",
"Enables simulation of AWID card with specified facility-code and card number.\n"
"Simulation runs until the button is pressed or another USB command is issued.",
"lf awid sim --fmt 26 --fc 123 --cn 1337\n"
"lf awid sim --fmt 50 --fc 2001 --cn 13371337"
);
void *argtable[] = {
arg_param_begin,
arg_u64_1(NULL, "fmt", "<dec>", "format length 26|32|36|40"),
arg_u64_1(NULL, "fc", "<dec>", "8-bit value facility code"),
arg_u64_1(NULL, "cn", "<dec>", "16-bit value card number"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
uint8_t fmtlen = arg_get_u32_def(ctx, 1, 0);
uint32_t fc = arg_get_u32_def(ctx, 2, 0);
uint32_t cn = arg_get_u32_def(ctx, 3, 0);
CLIParserFree(ctx);
uint8_t bs[96];
memset(bs, 0x00, sizeof(bs));
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) == 0 || cmdp == 'h') return usage_lf_awid_sim();
fmtlen = param_get8(Cmd, 0);
fc = param_get32ex(Cmd, 1, 0, 10);
cn = param_get32ex(Cmd, 2, 0, 10);
if (!fc || !cn) return usage_lf_awid_sim();
verify_values(&fmtlen, &fc, &cn);
if (getAWIDBits(fmtlen, fc, cn, bs) != PM3_SUCCESS) {
@@ -371,7 +434,7 @@ static int CmdAWIDSim(const char *Cmd) {
return PM3_ESOFT;
}
PrintAndLogEx(SUCCESS, "Simulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
PrintAndLogEx(SUCCESS, "Simulating AWID %u -- FC: " _YELLOW_("%u") " CN: " _YELLOW_("%u"), fmtlen, fc, cn);
PrintAndLogEx(SUCCESS, "Press pm3-button to abort simulation or run another command");
// AWID uses: FSK2a fcHigh: 10, fcLow: 8, clk: 50, invert: 1
@@ -398,97 +461,34 @@ static int CmdAWIDSim(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdAWIDClone(const char *Cmd) {
uint32_t fc = 0, cn = 0;
uint8_t fmtlen = 0;
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) == 0 || cmdp == 'h') return usage_lf_awid_clone();
fmtlen = param_get8(Cmd, 0);
fc = param_get32ex(Cmd, 1, 0, 10);
cn = param_get32ex(Cmd, 2, 0, 10);
if (!fc || !cn) return usage_lf_awid_clone();
uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3 << T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
bool q5 = tolower(param_getchar(Cmd, 3)) == 'q';
if (q5)
//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
blocks[0] = T5555_FIXED | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | T5555_SET_BITRATE(50) | 3 << T5555_MAXBLOCK_SHIFT;
verify_values(&fmtlen, &fc, &cn);
uint8_t *bits = calloc(96, sizeof(uint8_t));
if (getAWIDBits(fmtlen, fc, cn, bits) != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Error with tag bitstream generation.");
free(bits);
return PM3_ESOFT;
}
blocks[1] = bytebits_to_byte(bits, 32);
blocks[2] = bytebits_to_byte(bits + 32, 32);
blocks[3] = bytebits_to_byte(bits + 64, 32);
free(bits);
PrintAndLogEx(INFO, "Preparing to clone AWID %u to " _YELLOW_("%s") " with FC: %u, CN: %u", fmtlen, (q5) ? "Q5/T5555" : "T55x7", fc, cn);
print_blocks(blocks, ARRAYLEN(blocks));
int res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
PrintAndLogEx(SUCCESS, "Done");
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf awid read`") " to verify");
return res;
}
static int CmdAWIDBrute(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf awid brute",
"Enables bruteforce of AWID reader with specified facility-code.\n"
"This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step\n"
"if cardnumber is not given, it starts with 1 and goes up to 65535",
"lf awid brute --fmt 26 --fc 224\n"
"lf awid brute --fmt 50 --fc 2001 --delay 2000\n"
"lf awid brute --fmt 50 --fc 2001 --cn 200 --delay 2000 -v"
);
bool errors = false, verbose = false;
uint32_t fc = 0, cn = 0, delay = 1000;
uint8_t fmtlen = 0;
uint8_t bits[96];
size_t size = sizeof(bits);
memset(bits, 0x00, size);
uint8_t cmdp = 0;
void *argtable[] = {
arg_param_begin,
arg_u64_1(NULL, "fmt", "<dec>", "format length 26|50"),
arg_u64_1(NULL, "fc", "<dec>", "8|16bit value facility code"),
arg_u64_0(NULL, "cn", "<dec>", "optional - card number to start with, max 65535"),
arg_u64_0(NULL, "delay", "<dec>", "optional - delay betweens attempts in ms. Default 1000ms"),
arg_lit0("v", "verbose", "verbose logging, show all tries"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_lf_awid_brute();
case 'f':
fc = param_get32ex(Cmd, cmdp + 1, 0, 10);
if (!fc)
errors = true;
cmdp += 2;
break;
case 'd':
// delay between attemps, defaults to 1000ms.
delay = param_get32ex(Cmd, cmdp + 1, 1000, 10);
cmdp += 2;
break;
case 'c':
cn = param_get32ex(Cmd, cmdp + 1, 0, 10);
// truncate cardnumber.
cn &= 0xFFFF;
cmdp += 2;
break;
case 'a':
fmtlen = param_get8(Cmd, cmdp + 1);
cmdp += 2;
break;
case 'v':
verbose = true;
cmdp++;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if (fc == 0) errors = true;
if (errors) return usage_lf_awid_brute();
uint8_t fmtlen = arg_get_u32_def(ctx, 1, 0);
uint32_t fc = arg_get_u32_def(ctx, 2, 0);
uint32_t cn = arg_get_u32_def(ctx, 3, 0);
uint32_t delay = arg_get_u32_def(ctx, 4, 1000);
bool verbose = arg_get_lit(ctx, 5);
CLIParserFree(ctx);
// limit fc according to selected format
switch (fmtlen) {
@@ -506,12 +506,23 @@ static int CmdAWIDBrute(const char *Cmd) {
break;
}
PrintAndLogEx(SUCCESS, "Bruteforceing AWID %d Reader", fmtlen);
// truncate card number
if ((cn & 0xFFFF) != cn) {
cn &= 0xFFFF;
PrintAndLogEx(INFO, "Card number truncated to 16-bits : %u", cn);
}
PrintAndLogEx(SUCCESS, "Bruteforceing AWID %d reader", fmtlen);
PrintAndLogEx(SUCCESS, "Press pm3-button to abort simulation or press Enter");
uint16_t up = cn;
uint16_t down = cn;
uint8_t bits[96];
size_t size = sizeof(bits);
memset(bits, 0x00, size);
// main loop
for (;;) {
@@ -525,13 +536,20 @@ static int CmdAWIDBrute(const char *Cmd) {
}
// Do one up
if (up < 0xFFFF)
if (sendTry(fmtlen, fc, up++, delay, bits, size, verbose) != PM3_SUCCESS) return PM3_ESOFT;
if (up < 0xFFFF) {
if (sendTry(fmtlen, fc, up++, delay, bits, size, verbose) != PM3_SUCCESS) {
return PM3_ESOFT;
}
}
// Do one down (if cardnumber is given)
if (cn > 1)
if (down > 1)
if (sendTry(fmtlen, fc, --down, delay, bits, size, verbose) != PM3_SUCCESS) return PM3_ESOFT;
if (cn > 1) {
if (down > 1) {
if (sendTry(fmtlen, fc, --down, delay, bits, size, verbose) != PM3_SUCCESS) {
return PM3_ESOFT;
}
}
}
}
return PM3_SUCCESS;
}
@@ -539,7 +557,7 @@ static int CmdAWIDBrute(const char *Cmd) {
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "this help"},
{"demod", CmdAWIDDemod, AlwaysAvailable, "demodulate an AWID FSK tag from the GraphBuffer"},
{"read", CmdAWIDRead, IfPm3Lf, "attempt to read and extract tag data"},
{"reader", CmdAWIDReader, IfPm3Lf, "attempt to read and extract tag data"},
{"clone", CmdAWIDClone, IfPm3Lf, "clone AWID tag to T55x7 or Q5/T5555"},
{"sim", CmdAWIDSim, IfPm3Lf, "simulate AWID tag"},
{"brute", CmdAWIDBrute, IfPm3Lf, "Bruteforce card number against reader"},